315612403231012 has 6 divisors (see below), whose sum is σ = 552321705654278. Its totient is φ = 157806201615504.

The previous prime is 315612403231001. The next prime is 315612403231033. The reversal of 315612403231012 is 210132304216513.

It can be written as a sum of positive squares in only one way, i.e., 314894394429696 + 718008801316 = 17745264^2 + 847354^2 .

It is a super-2 number, since 2×315612403231012² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39451550403873 + ... + 39451550403880.

Almost surely, 2^{315612403231012} is an apocalyptic number.

It is an amenable number.

315612403231012 is a deficient number, since it is larger than the sum of its proper divisors (236709302423266).

315612403231012 is a wasteful number, since it uses less digits than its factorization.

315612403231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78903100807757 (or 78903100807755 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 315612403231012 its reverse (210132304216513), we get a palindrome (525744707447525).

The spelling of 315612403231012 in words is "three hundred fifteen trillion, six hundred twelve billion, four hundred three million, two hundred thirty-one thousand, twelve".